unit test passing version of FSPersistorManager

This commit is contained in:
Oliver Matthews 2014-02-26 15:10:55 +00:00
parent 0306a3ad4a
commit ff96f37b2d
2 changed files with 215 additions and 0 deletions

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logger = require("logger-sharelatex")
fs = require("fs")
LocalFileWriter = require("./LocalFileWriter")
module.exports =
sendFile: ( location, target, source, callback = (err)->) ->
logger.log location:location, target:target, source:source, "sending file"
fs.rename source, "#{location}/#{target}", (err) ->
logger.err err:err, location:location, target:target, source:source, "Error on put of file"
callback err
sendStream: ( location, target, sourceStream, callback = (err)->) ->
logger.log location:location, target:target, source:sourceStream, "sending file stream"
sourceStream.on "error", (err)->
logger.err location:location, target:target, source:sourceStream, err:err "error on stream to send"
LocalFileWriter.writeStream sourceStream, null, (err, fsPath)=>
if err?
logger.err location:location, target:target, fsPath:fsPath, err:err, "something went wrong writing stream to disk"
return callback err
@sendFile location, target, fsPath, callback
getFileStream: (location, name, callback = (err, res)->)->
logger.log location:location, name:name, "getting file"
sourceStream = fs.createReadStream "#{location}/#{name}"
sourceStream.on 'error', (err) ->
logger.err err:err, location:location, name:name, "Error reading from file"
callback err
callback null,sourceStream
copyFile: (location, fromName, toName, callback = (err)->)->
logger.log location:location, fromName:fromName, toName:toName, "copying file"
sourceStream = fs.createReadStream "#{location}/#{fromName}"
sourceStream.on 'error', (err) ->
logger.err err:err, location:location, key:fromName, "Error reading from file"
callback err
targetStream = fs.createWriteStream "#{location}/#{toName}"
targetStream.on 'error', (err) ->
logger.err err:err, location:location, key:targetKey, "Error writing to file"
callback err
sourceStream.pipe targetStream
deleteFile: (location, name, callback)->
logger.log location:location, name:name, "delete file"
fs.unlink "#{location}/#{name}", (err) ->
logger.err err:err, location:location, name:name, "Error on delete."
callback err
deleteDirectory: (location, name, callback = (err)->)->
fs.rmdir "#{location}/#{name}", (err) ->
logger.err err:err, location:location, name:name, "Error on rmdir."
callback err
checkIfFileExists:(location, name, callback = (err,exists)->)->
logger.log location:location, name:name, "checking if file exists"
fs.exists "#{location}/#{name}", (exists) ->
logger.log location:location, name:name, exists:exists, "checked if file exists"
callback null, exists

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assert = require("chai").assert
sinon = require('sinon')
chai = require('chai')
should = chai.should
expect = chai.expect
modulePath = "../../../app/js/FSPersistorManager.js"
SandboxedModule = require('sandboxed-module')
fs = require("fs")
describe "FSPersistorManagerTests", ->
beforeEach ->
@Fs =
rename:sinon.stub()
createReadStream:sinon.stub()
createWriteStream:sinon.stub()
unlink:sinon.stub()
rmdir:sinon.stub()
exists:sinon.stub()
@LocalFileWriter =
writeStream: sinon.stub()
@requires =
"./LocalFileWriter":@LocalFileWriter
"fs":@Fs
"logger-sharelatex":
log:->
err:->
@location = "/tmp"
@name1 = "first_file"
@name2 = "second_file"
@error = "error_message"
@FSPersistorManager = SandboxedModule.require modulePath, requires: @requires
describe "sendFile", ->
it "should put the file", (done) ->
@Fs.rename.callsArgWith(2,@error)
@FSPersistorManager.sendFile @location, @name1, @name2, (err)=>
@Fs.rename.calledWith( @name2, "#{@location}/#{@name1}" ).should.equal true
err.should.equal @error
done()
describe "sendStream", ->
beforeEach ->
@FSPersistorManager.sendFile = sinon.stub().callsArgWith(3)
@LocalFileWriter.writeStream.callsArgWith(2, null, @name1)
@SourceStream =
on:->
it "should sent stream to LocalFileWriter", (done)->
@FSPersistorManager.sendStream @location, @name1, @SourceStream, =>
@LocalFileWriter.writeStream.calledWith(@SourceStream).should.equal true
done()
it "should return the error from LocalFileWriter", (done)->
@LocalFileWriter.writeStream.callsArgWith(2, @error)
@FSPersistorManager.sendStream @location, @name1, @SourceStream, (err)=>
err.should.equal @error
done()
it "should send the file to the filestore", (done)->
@LocalFileWriter.writeStream.callsArgWith(2)
@FSPersistorManager.sendStream @location, @name1, @SourceStream, (err)=>
@FSPersistorManager.sendFile.called.should.equal true
done()
describe "getFileStream", ->
it "should use correct file location", (done) ->
@Fs.createReadStream.returns(
on:->
)
@FSPersistorManager.getFileStream @location, @name1, (err,res)=>
@Fs.createReadStream.calledWith("#{@location}/#{@name1}").should.equal.true
done()
describe "copyFile", ->
beforeEach ->
@ReadStream=
on:->
pipe:sinon.stub()
@WriteStream=
on:->
@Fs.createReadStream.returns(@ReadStream)
@Fs.createWriteStream.returns(@WriteStream)
it "Should open the source for reading", (done) ->
@FSPersistorManager.copyFile @location, @name1, @name2, ->
@Fs.createReadStream.calledWith("#{@location}/#{@name1}").should.equal.true
done()
it "Should open the target for writing", (done) ->
@FSPersistorManager.copyFile @location, @name1, @name2, ->
@Fs.createWriteStream.calledWith("#{@location}/#{@name2}").should.equal.true
done()
it "Should pipe the source to the target", (done) ->
@FSPersistorManager.copyFile @location, @name1, @name2, ->
@ReadStream.pipe.calledWith(@WriteStream).should.equal.true
done()
describe "deleteFile", ->
beforeEach ->
@Fs.unlink.callsArgWith(1,@error)
it "Should call unlink with correct options", (done) ->
@FSPersistorManager.deleteFile @location, @name1, (err) =>
@Fs.unlink.calledWith("#{@location}/#{@name1}").should.equal.true
done()
it "Should propogate the error", (done) ->
@FSPersistorManager.deleteFile @location, @name1, (err) =>
err.should.equal @error
done()
describe "deleteDirectory", ->
beforeEach ->
@Fs.rmdir.callsArgWith(1,@error)
it "Should call rmdir with correct options", (done) ->
@FSPersistorManager.deleteDirectory @location, @name1, (err) =>
@Fs.rmdir.calledWith("#{@location}/#{@name1}").should.equal.true
done()
it "Should propogate the error", (done) ->
@FSPersistorManager.deleteDirectory @location, @name1, (err) =>
err.should.equal @error
done()
describe "checkIfFileExists", ->
beforeEach ->
@Fs.exists.callsArgWith(1,true)
it "Should call exists with correct options", (done) ->
@FSPersistorManager.checkIfFileExists @location, @name1, (exists) =>
@Fs.exists.calledWith("#{@location}/#{@name1}").should.equal.true
done()
# fs.exists simply returns false on any error, so...
it "should not return an error", (done) ->
@FSPersistorManager.checkIfFileExists @location, @name1, (err,exists) =>
expect(err).to.be.null
done()
it "Should return true for existing files", (done) ->
@Fs.exists.callsArgWith(1,true)
@FSPersistorManager.checkIfFileExists @location, @name1, (err,exists) =>
exists.should.be.true
done()
it "Should return false for non-existing files", (done) ->
@Fs.exists.callsArgWith(1,false)
@FSPersistorManager.checkIfFileExists @location, @name1, (err,exists) =>
exists.should.be.false
done()